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StructuralEng
StructuralEng, Consultant
Category: Structural Engineering
Satisfied Customers: 6681
Experience:  Structural Engineer
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I am wondering what size beam I would require to span 20

Customer Question

I am wondering what size wood beam I would require to span 20 1/2'. The beam will be supporting part of a roof (the ceiling is cathedral style) with a low pitch of about 12 degrees. I live in a northern Canada community and the building code calculates a Ground snow load of 112.7 psf.
The beam will be centered to the roof with 14' spans on either side.
Submitted: 1 year ago.
Category: Structural Engineering
Expert:  StructuralEng replied 1 year ago.

Hello. How are you doing? I'll be happy to assist you.

Expert:  StructuralEng replied 1 year ago.

So this is the ridge beam?

Expert:  StructuralEng replied 1 year ago.

You want an LVL or glulam?

Customer: replied 1 year ago.
I'm looking for an LVL beam
Expert:  StructuralEng replied 1 year ago.

Great. I will size the beam for a deflection limit of L/480

Expert:  StructuralEng replied 1 year ago.

You need a 7" x 24" 2.0E LVL

Customer: replied 1 year ago.
What would the dimensions of a steel beam be
Expert:  StructuralEng replied 1 year ago.

W14x53 ASTM A992 Gr. 50. It's 14" deep x 8" wide and weighs 53 pounds per foot.

Customer: replied 1 year ago.
Thank you
Expert:  StructuralEng replied 1 year ago.

No problem. I'm happy to help. Good luck with your project.

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